EP1335256A1 - Injection moulding machine with online operable regulation system - Google Patents

Injection moulding machine with online operable regulation system Download PDF

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Publication number
EP1335256A1
EP1335256A1 EP03002268A EP03002268A EP1335256A1 EP 1335256 A1 EP1335256 A1 EP 1335256A1 EP 03002268 A EP03002268 A EP 03002268A EP 03002268 A EP03002268 A EP 03002268A EP 1335256 A1 EP1335256 A1 EP 1335256A1
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EP
European Patent Office
Prior art keywords
molding machine
injection molding
input
sensors
actuators
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03002268A
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German (de)
French (fr)
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EP1335256B1 (en
Inventor
Michael Züfle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krauss Maffei Kunststofftechnik GmbH
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Krauss Maffei Kunststofftechnik GmbH
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/766—Measuring, controlling or regulating the setting or resetting of moulding conditions, e.g. before starting a cycle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/76006—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/7604—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/76083—Position
    • B29C2945/76096—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76929—Controlling method
    • B29C2945/76993—Remote, e.g. LAN, wireless LAN
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31104—Remote configuration of parameters of controlled devices

Definitions

  • the invention relates to an injection molding machine with a control system, in particular using a bus system.
  • the known control comprises an operator unit 1, a machine control 10 and the injection molding machine 40, which is shown here schematically as a screw injection molding machine is.
  • the operator unit 1 comprises a display device 3, a keyboard 4, a memory 6, a microprocessor 2 and a printer 7 connected to each other via a serial bus CAN 8 communicate.
  • Data for controlling the Injection molding machine can be entered and visualized by the display 3.
  • mass storage devices or the like can be provided, and so can Programs for controlling the injection molding machine can be read.
  • the operator unit 1 has an interface 5, on the one hand, with the serial Bus 8 is connected, on the other hand as an adapter for a network system 20 for communication with the spraying machine control 10.
  • Network 20 is preferred designed as a LAN, especially as an Ethernet.
  • the machine control 10 in turn also has an interface 11, on the one hand is designed as an adapter for the network 20, on the other hand with a serial bus system CAN 17 communicates in the machine control 10.
  • the machine controller 10 also has memories 12, 14, a microprocessor 13 and Interfaces 16, 15, the elements mentioned being connected to one another via the serial Network 17 communicate.
  • the interfaces 15, 16 are connected to sensors or actuators 41, 42, 43, 44 and give data or commands to the actuators 41, 43, 44 or receive data from the Sensor 42 or other sensors.
  • the sensors typically include temperature, pressure, displacement sensors and the like
  • the actuators are typically motors or hydraulics for rotating the Screw, for moving the screw, opening or closing the mold etc.
  • data is entered manually via the keyboard 4 of the operator station 1 entered and programs can be read.
  • the corresponding data programs are then delivered to the machine controller 10 via the LAN network 20 and stored there or further processed for the control, and the corresponding commands for the actuators are generated and forwarded.
  • the system shown is suitable for real-time machine control because the machine control 10 directly controls the machine and uses a fast serial network 17.
  • the machine control 10 is operated via the operating station 1 and the LAN network 20, which does not operate in real time.
  • this network offers the advantage of compatibility with, for example, the Internet protocol, and to this Other computers, for example a PC 30, can be connected to the network without any problems be, for example for visualization, documentation or the like.
  • the invention has for its object to provide an injection molding machine characterized by the greatest possible range of variation with regard to implementation.
  • a flexible assignment between the input and output means, the sensors and actuators proposed, the assignment can be changed online is.
  • the output means such as screens, display elements, LEDs, Printer etc.
  • the computer unit of the injection molding machine and the input / output means are preferably or operator station equipped with a Gigalink interface and communicate over a gigalink connection.
  • the Gigalink connection stands out on the one hand due to a high data throughput, on the other hand the data can be long distances can be reliably transmitted.
  • one or more computing units one or Several control keyboards and interfaces for actuators / sensors via one serial Bus system connected to each other.
  • This allows multiple systems, for example Computer units, control keyboards, etc., to be ranked next to each other, see above that a high degree of flexibility has been achieved here and the system easily by additional Units for visualization or input and output of information can be expanded is.
  • a display unit can, for example, use a computer unit with the serial Bus system can be connected, and there can be several such display / computing units be provided.
  • the display unit itself can have a suitable one Interface with the serial bus system.
  • one or more keys of the keyboard or Keyboards are designed as parameterizable keys, that is, these keys can be used with certain Functions are assigned, either when implementing the system or by programming by an operator.
  • a first control system is shown in Fig. 2 (A).
  • the injection molding machine 40 is also here equipped with actuators or sensors 41, 42, 43, which with interfaces 15, 16, 17 for Input or output of data are connected. These interfaces 15-17 are with one serial bus system 90 (DIAS, serial multi-point bus) connected.
  • DIMS serial multi-point bus
  • To the bus system on the other hand are a computer unit 61, a display unit 62, two keyboards 63, 64 and a further computer unit 65 connected to a further display unit 66, and said elements communicate with each other via the serial bus system.
  • at least one of the computer units 61, 65 works as Machine control to control the process flow.
  • a separate machine controller 50 can also be used between the bus system 90 and the interfaces 15, 16, 17 can be provided.
  • the computers are used essentially for command and data input or for data output and for visualization.
  • Separate display elements 67, 68 are shown schematically on the keyboards 63, 64 for example, can be designed as LED elements and selected for display Serve signals, for example machine mode, key assignment etc.
  • FIG. 2 designated by (B) essentially corresponds to the embodiment under (A), except that the display units 71, 72 even with the serial bus 90 are connected.
  • a separate operating unit 80 which has, for example, a display, a keyboard and LED elements. Next these elements is also a Gigalink interface 81 for connection to a Gigalinkbus 84 provided. In addition to those required for data input / output and connection Capacities, this control unit 80 requires no further "intelligence".
  • the control unit is connected via the Gigalink system 84 to a CPU 82, which in turn also has a Gigalink interface 83.
  • This CPU 82 is connected to the serial bus system 90 and can be used as a machine control serve the entire process control. On the other hand, here too a separate machine control 50 can be provided, the CPU 82 as a connection between the serial bus system and the Gigalink system 84.
  • the illustrated embodiments (A), (B) and (C) can be used alternatively, however, it is also possible to combine these embodiments.
  • All systems described above are preferably designed so that the functional assignment the individual elements can be changed.
  • a memory such as the hard disk of a PC, RAM, magnetic data storage etc.
  • the connections between the individual input and output means or be stored for one or more computer units or sensors and actuators. This determines which keyboard input appears on which screen, which one Computer unit via which keyboard is addressed etc.
  • Certain operating elements can also be used with certain processors directly linked to a direct one Allow intervention in the process flow.
  • any links can be changed, added or removed, this access basically also externally via a data network can be done.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

An injection molding machine (40) comprises input and output units, actuators (41,43,44), sensors (42) and computing unit(s). A functional assignment of the input and output units, actuators and sensors is established via the computing unit and is changeable online. An Independent claim is also included for an apparatus comprising the inventive injection-molding machine.

Description

Die Erfindung bezieht sich auf eine Spritzgießmaschine mit einem Steuersystem, insbesondere unter Einsatz eines Bussystems.The invention relates to an injection molding machine with a control system, in particular using a bus system.

Eine derartige Spritzgießmaschine ist aus der EP 0 916 466 A1 bekannt. Der schematische Aufbau des bekannten Steuersystems für eine Spritzgießmaschine ist in Figur 1 dargestellt.Such an injection molding machine is known from EP 0 916 466 A1. The schematic Structure of the known control system for an injection molding machine is shown in Figure 1.

Die bekannte Steuerung umfaßt eine Bedienereinheit 1, eine Maschinensteuerung 10 sowie die Spritzgießmaschine 40, die hier schematisch als Schneckenspritzgießmaschine dargestellt ist.The known control comprises an operator unit 1, a machine control 10 and the injection molding machine 40, which is shown here schematically as a screw injection molding machine is.

Die Bedienereinheit 1 umfaßt eine Anzeigevorrichtung 3, eine Tastatur 4, einen Speicher 6, einen Mikroprozessor 2 und einen Drucker 7, die miteinander über einen seriellen Bus CAN 8 kommunizieren. Über die genannten Elemente können Daten zur Steuerung der Spritzgießmaschine eingegeben werden und durch die Anzeige 3 visualisiert werden. Des weiteren können Massenspeicher oder dergleichen vorgesehen sein, und es können auch Programme zur Steuerung der Spritzgießmaschine eingelesen werden.The operator unit 1 comprises a display device 3, a keyboard 4, a memory 6, a microprocessor 2 and a printer 7 connected to each other via a serial bus CAN 8 communicate. Data for controlling the Injection molding machine can be entered and visualized by the display 3. Of further mass storage devices or the like can be provided, and so can Programs for controlling the injection molding machine can be read.

Ferner weist die Bedienereinheit 1 eine Schnittstelle 5 auf, die einerseits mit dem seriellen Bus 8 in Verbindung steht, andererseits als Adapter für ein Netzwerksystem 20 zur Kommunikation mit der Spritzmaschinensteuerung 10 dient. Das Netzwerk 20 ist vorzugsweise als LAN ausgebildet, insbesondere als Ethernet.Furthermore, the operator unit 1 has an interface 5, on the one hand, with the serial Bus 8 is connected, on the other hand as an adapter for a network system 20 for communication with the spraying machine control 10. Network 20 is preferred designed as a LAN, especially as an Ethernet.

Die Maschinensteuerung 10 weist ihrerseits ebenfalls eine Schnittstelle 11 auf, die einerseits als Adapter für das Netzwerk 20 ausgebildet ist, andererseits mit einem seriellen Bussystem CAN 17 in der Maschinensteuerung 10 kommuniziert. Neben der Schnittstelle 11 weist die Maschinensteuerung 10 ferner Speicher 12, 14, einen Mikroprozessor 13 sowie Schnittstellen 16, 15 auf, wobei die genannten Elemente miteinander über das serielle Netzwerk 17 kommunizieren. The machine control 10 in turn also has an interface 11, on the one hand is designed as an adapter for the network 20, on the other hand with a serial bus system CAN 17 communicates in the machine control 10. In addition to the interface 11 the machine controller 10 also has memories 12, 14, a microprocessor 13 and Interfaces 16, 15, the elements mentioned being connected to one another via the serial Network 17 communicate.

Die Schnittstellen 15, 16 sind mit Sensoren bzw. Aktuatoren 41, 42, 43, 44 verbunden und geben Daten oder Befehle an die Aktuatoren 41, 43, 44 oder empfangen Daten von dem Sensor 42 bzw. weiteren Sensoren.The interfaces 15, 16 are connected to sensors or actuators 41, 42, 43, 44 and give data or commands to the actuators 41, 43, 44 or receive data from the Sensor 42 or other sensors.

Die Sensoren umfassen typischerweise Temperatur-, Druck-, Wegsensoren und dergleichen, die Aktuatoren sind typischerweise Motoren oder Hydrauliken zum Drehen der Schnecke, zum Verfahren der Schnecke, Öffnen oder Schließen der Form etc.The sensors typically include temperature, pressure, displacement sensors and the like, the actuators are typically motors or hydraulics for rotating the Screw, for moving the screw, opening or closing the mold etc.

Bei dem bekannten System werden Daten manuell über die Tastatur 4 der Bedienerstation 1 eingegeben und Programme können eingelesen werden. Die entsprechenden Datenprogramme werden dann über das LAN-Netzwerk 20 an die Maschinensteuerung 10 geliefert und dort gespeichert bzw. für die Steuerung weiterverarbeitet, und die entsprechenden Befehle für die Aktuatoren werden generiert und weitergeleitet. Umgekehrt werden Daten von den Sensoren für die Maschinensteuerung 10 und das LAN-Netzwerk 20 an die Bedienerstation ausgegeben und können dort visualisiert werden.In the known system, data is entered manually via the keyboard 4 of the operator station 1 entered and programs can be read. The corresponding data programs are then delivered to the machine controller 10 via the LAN network 20 and stored there or further processed for the control, and the corresponding commands for the actuators are generated and forwarded. Conversely, data from the sensors for the machine control 10 and the LAN network 20 to the operator station output and can be visualized there.

Das dargestellte System ist für die Echtzeitmaschinensteuerung geeignet, da die Maschinensteuerung 10 direkt die Maschine steuert und ein schnelles serielles Netzwerk 17 verwendet.The system shown is suitable for real-time machine control because the machine control 10 directly controls the machine and uses a fast serial network 17.

Demgegenüber erfolgt die Bedienung der Maschinensteuerung 10 über die Bedienstation 1 und das LAN-Netzwerk 20, das nicht in Echtzeit arbeitet. Dieses Netzwerk bietet jedoch den Vorteil der Kompatibilität mit beispielsweise dem Internetprotokoll, und an dieses Netzwerk können problemlos weitere Rechner, beispielsweise ein PC 30 angeschlossen werden, beispielsweise zur Visualisierung, Dokumentation oder dergleichen.In contrast, the machine control 10 is operated via the operating station 1 and the LAN network 20, which does not operate in real time. However, this network offers the advantage of compatibility with, for example, the Internet protocol, and to this Other computers, for example a PC 30, can be connected to the network without any problems be, for example for visualization, documentation or the like.

Bei der oben dargestellten Anordnung liegt in der Regel eine starre Verbindung, beispielsweise zwischen der Tastatur und der Anzeigevorrichtung 3 vor, die beide denselben Prozessor verwenden. In the arrangement shown above, there is usually a rigid connection, for example between the keyboard and the display device 3, both of which have the same processor use.

Der Erfindung liegt die Aufgabe zugrunde, eine Spritzgießmaschine zu schaffen, die sich durch eine möglichst große Variationsbreite hinsichtlich der Implementation auszeichnet.The invention has for its object to provide an injection molding machine characterized by the greatest possible range of variation with regard to implementation.

Diese Aufgabe wird durch eine Spritzgießmaschine nach Anspruch 1 gelöst; die weiteren Patentansprüche betreffen weitere Ausgestaltungen der Erfindung.This object is achieved by an injection molding machine according to claim 1; the others Claims relate to further refinements of the invention.

Erfindungsgemäß wird eine flexible Zuordnung zwischen den Eingabe- und Ausgabemitteln, den Sensoren und Aktuatoren vorgeschlagen, wobei die Zuordnung online veränderbar ist. Somit liegen keine unveränderlich starren Datenwege zwischen den Ein- und Ausgabemitteln, den Sensoren und Aktoren sowie einer oder mehrerer Rechnereinheiten vor. Deshalb können in einfacher Weise weitere Eingabemittel wie Tastaturen, Funktionstasten, Bedienungsknöpfe etc. zugefügt werden bzw. mit anderen Funktionen belegt werden. Entsprechendes gilt auch für die Ausgabemittel wie Bildschirme, Anzeigeelemente, LEDs, Drucker etc.According to the invention, a flexible assignment between the input and output means, the sensors and actuators proposed, the assignment can be changed online is. This means that there are no unchangeably rigid data paths between the input and output means, the sensors and actuators as well as one or more computer units. Therefore, other input devices such as keyboards, function keys, Control buttons etc. can be added or assigned other functions. The same also applies to the output means such as screens, display elements, LEDs, Printer etc.

Vorzugsweise sind die Rechnereinheit der Spritzgießmaschine und die Eingabe-/Ausgabemittel oder Bedienerstation mit einer Gigalink-Schnittstelle ausgestattet und kommunizieren über eine Gigalinkverbindung miteinander. Die Gigalinkverbindung zeichnet sich einerseits durch einen hohen Datendurchsatz aus, andererseits können die Daten über eine große Entfernung zuverlässig übertragen werden.The computer unit of the injection molding machine and the input / output means are preferably or operator station equipped with a Gigalink interface and communicate over a gigalink connection. The Gigalink connection stands out on the one hand due to a high data throughput, on the other hand the data can be long distances can be reliably transmitted.

In einer anderen Ausführungsform sind eine oder mehrere Rechnereinheiten, eine oder mehrere Bedientastaturen und Schnittstellen für Aktuatoren/Sensoren über ein serielles Bussystem miteinander verbunden. Dies ermöglicht es, mehrere Systeme, beispielsweise Rechnereinheiten, Bedienungstastaturen etc., gleichrangig nebeneinander vorzusehen, so daß hier ein hoher Grad an Flexibilität erreicht ist und das System ohne weiteres durch zusätzliche Einheiten zur Visualisierung oder Eingabe und Ausgabe von Information erweiterbar ist. In another embodiment, one or more computing units, one or Several control keyboards and interfaces for actuators / sensors via one serial Bus system connected to each other. This allows multiple systems, for example Computer units, control keyboards, etc., to be ranked next to each other, see above that a high degree of flexibility has been achieved here and the system easily by additional Units for visualization or input and output of information can be expanded is.

Dabei kann eine Anzeigeneinheit beispielsweise über eine Rechnereinheit mit dem seriellen Bussystem verbunden sein, und es können mehrere derartige Anzeige/Rechnereinheiten vorgesehen sein.A display unit can, for example, use a computer unit with the serial Bus system can be connected, and there can be several such display / computing units be provided.

In einer alternativen Ausgestaltung kann die Anzeigeeinheit selbst über eine geeignete Schnittstelle mit dem seriellen Bussystem verbunden sein.In an alternative embodiment, the display unit itself can have a suitable one Interface with the serial bus system.

In einer bevorzugten Ausgestaltung sind eine oder mehrere Tasten der Tastatur bzw. der Tastaturen als parametrisierbare Tasten ausgelegt, das heißt, diese Tasten können mit bestimmten Funktionen belegt werden, entweder bei der Implementierung der Anlage oder durch Programmierung durch eine Bedienungsperson.In a preferred embodiment, one or more keys of the keyboard or Keyboards are designed as parameterizable keys, that is, these keys can be used with certain Functions are assigned, either when implementing the system or by programming by an operator.

Ausführungsformen der Erfindung werden anhand der beigefügten Zeichnungen erläutert.

  • Fig. 1 zeigt ein bekanntes Steuersystem für eine Spritzgießmaschine;
  • Fig. 2 zeigt schematisch unterschiedliche Steuersysteme für eine Spritzgießmaschine.
    • Embodiments of the invention are explained with reference to the accompanying drawings.
  • Fig. 1 shows a known control system for an injection molding machine;
  • Fig. 2 shows schematically different control systems for an injection molding machine.

    • Ein erstes Steuersystem zeigt die Fig. 2(A). Dabei ist die Spritzgießmaschine 40 ebenfalls mit Aktuatoren bzw. Sensoren 41, 42, 43 ausgestattet, die mit Schnittstellen 15, 16, 17 zur Eingabe bzw. Ausgabe von Daten verbunden sind. Diese Schnittstellen 15-17 sind mit einem seriellen Bussystem 90 (DIAS, serieller Multi-Point-Bus) verbunden. An das Bussystem sind andererseits eine Rechnereinheit 61, eine Anzeigeeinheit 62, zwei Tastaturen 63, 64 sowie eine weitere Rechnereinheit 65 mit einer weiteren Anzeigeeinheit 66 angeschlossen, und die genannten Elemente kommunizieren über das serielle Bussystem miteinander. Bei der dargestellten Konfiguration arbeitet zumindest eine der Rechnereinheiten 61, 65 als Maschinensteuerung zur Steuerung des Prozeßablaufs.A first control system is shown in Fig. 2 (A). The injection molding machine 40 is also here equipped with actuators or sensors 41, 42, 43, which with interfaces 15, 16, 17 for Input or output of data are connected. These interfaces 15-17 are with one serial bus system 90 (DIAS, serial multi-point bus) connected. To the bus system on the other hand are a computer unit 61, a display unit 62, two keyboards 63, 64 and a further computer unit 65 connected to a further display unit 66, and said elements communicate with each other via the serial bus system. In the configuration shown, at least one of the computer units 61, 65 works as Machine control to control the process flow.

    Alternativ dazu kann auch eine separate Maschinensteuerung 50 zwischen dem Bussystem 90 und den Schnittstellen 15, 16, 17 vorgesehen sein. Bei dieser letzteren Implementierung dienen die Rechner im wesentlichen zur Befehls- und Dateneingabe bzw. zur Datenausgabe und zur Visualisierung.Alternatively, a separate machine controller 50 can also be used between the bus system 90 and the interfaces 15, 16, 17 can be provided. In this latter implementation the computers are used essentially for command and data input or for data output and for visualization.

    Schematisch dargestellt sind an den Tastaturen 63, 64 separate Anzeigeelemente 67, 68, die beispielsweise als LED- Elemente ausgelegt sein können und die zur Anzeige ausgewählter Signale dienen, beispielsweise Maschinenmodus, Tastenbelegung etc.Separate display elements 67, 68 are shown schematically on the keyboards 63, 64 for example, can be designed as LED elements and selected for display Serve signals, for example machine mode, key assignment etc.

    Die durch (B) bezeichnete Ausführungsform der Fig. 2 entspricht im wesentlichen der Ausführungsform unter (A) mit der Ausnahme, daß die Anzeigeeinheiten 71, 72 selbst mit dem seriellen Bus 90 verbunden sind.The embodiment of FIG. 2 designated by (B) essentially corresponds to the embodiment under (A), except that the display units 71, 72 even with the serial bus 90 are connected.

    Bei der mit (C) bezeichneten Ausführungsform ist eine separate Bedienungseinheit 80 vorgesehen, die beispielsweise eine Anzeige, eine Tastatur und LED Elemente aufweist. Neben diesen Elementen ist ferner eine Gigalink-Schnittstelle 81 zur Verbindung mit einem Gigalinkbus 84 vorgesehen. Neben den zur Datenein-/Ausgabe und zur Verbindung erforderlichen Kapazitäten benötigt diese Bedienungseinheit 80 keine weitere "Intelligenz".In the embodiment designated (C), a separate operating unit 80 is provided, which has, for example, a display, a keyboard and LED elements. Next these elements is also a Gigalink interface 81 for connection to a Gigalinkbus 84 provided. In addition to those required for data input / output and connection Capacities, this control unit 80 requires no further "intelligence".

    Die Bedienungseinheit ist über das Gigalinksystem 84 mit einer CPU 82 verbunden, die ihrerseits ebenfalls eine Gigalink-Schnittstelle 83 aufweist.The control unit is connected via the Gigalink system 84 to a CPU 82, which in turn also has a Gigalink interface 83.

    Diese CPU 82 ist mit dem seriellen Bussystem 90 verbunden und kann als Maschinensteuerung dienen, die die gesamte Prozeßsteuerung vornimmt. Andererseits kann auch hier eine separate Maschinensteuerung 50 vorgesehen sein, wobei die CPU 82 als Verbindung zwischen dem seriellen Bussystem und dem Gigalinksystem 84 dient.This CPU 82 is connected to the serial bus system 90 and can be used as a machine control serve the entire process control. On the other hand, here too a separate machine control 50 can be provided, the CPU 82 as a connection between the serial bus system and the Gigalink system 84.

    Die dargestellten Ausführungsformen (A), (B) und (C) können alternativ eingesetzt werden, es ist jedoch auch möglich, diese Ausführungsformen zu kombinieren. Dabei können die Funktionen der Maschinensteuerung einzelnen Rechnern, beispielsweise 61, 82 oder 50, zugewiesen werden, diese Funktionen können aber auch auf verschiedene Rechner verteilt werden, und insbesondere für zeitkritische Parameter kann eine separate Maschinensteuerung 50, die physikalisch nahe an den Aktuatoren/Sensoren 15-17 angeordnet ist, vorgesehen sein.The illustrated embodiments (A), (B) and (C) can be used alternatively, however, it is also possible to combine these embodiments. You can the functions of the machine control of individual computers, for example 61, 82 or 50, can be assigned, but these functions can also be used on different computers can be distributed, and especially for time-critical parameters, a separate machine control 50, which is physically close to the actuators / sensors 15-17, be provided.

    Unter dem Begriff "Rechner" im Sinne des vorstehenden Textes fallen CPUs, Mikroprozessoren, kundenspezifische Rechner und auch kommerziell erhältliche Personalcomputer, Workstations und dergleichen.The term "computer" in the sense of the above text includes CPUs, microprocessors, customer-specific computers and also commercially available personal computers, Workstations and the like.

    Alle oben beschriebenen Systeme sind vorzugsweise so ausgelegt, daß die funktionelle Zuordnung der einzelnen Elemente veränderbar festgelegt ist. Dazu können beispielsweise in einem Speicher wie der Festplatte eines PCs, einem RAM, einem magnetischen Datenspeicher etc. die Verbindungen der einzelnen Eingabe- und Ausgabemittel untereinander bzw. zu einem oder mehreren Rechnereinheiten bzw. Sensoren und Aktuatoren gespeichert sein. Dadurch ist bestimmt, welche Tastatureingabe auf welchem Bildschirm erscheint, welche Rechnereinheit über welche Tastatur angesprochen wird etc. Auch können bestimmte Bedienungselemente mit bestimmten Prozessoren direkt verknüpft werden, um einen direkten Eingriff in den Prozessablauf zu gestatten.All systems described above are preferably designed so that the functional assignment the individual elements can be changed. For example, in a memory such as the hard disk of a PC, RAM, magnetic data storage etc. the connections between the individual input and output means or be stored for one or more computer units or sensors and actuators. This determines which keyboard input appears on which screen, which one Computer unit via which keyboard is addressed etc. Certain operating elements can also be used with certain processors directly linked to a direct one Allow intervention in the process flow.

    Durch Zugriff auf den Zuordnungsspeicher können beliebige Verknüpfungen geändert, zugefügt oder entfernt werden, wobei dieser Zugriff grundsätzlich auch extern über ein Datennetz erfolgen kann.By accessing the allocation memory, any links can be changed, added or removed, this access basically also externally via a data network can be done.

    Claims (8)

    Spritzgießmaschine mit Ein- und Ausgabemitteln (80, 63, 64, 62, 66) Aktuatoren und Sensoren (41, 42, 43) und mindestens einer Rechnereinheit (65, 61), dadurch gekennzeichnet, daß die funktionelle Zuordnung der Ein- und Ausgabemittel, Sensoren und Aktuatoren über die Rechnereinheit festlegbar und online veränderbar ist.Injection molding machine with input and output means (80, 63, 64, 62, 66) actuators and sensors (41, 42, 43) and at least one computer unit (65, 61), characterized in that the functional assignment of the input and output means, Sensors and actuators can be determined via the computer unit and can be changed online. Spritzgießmaschine nach Anspruch 1 mit mehreren Rechnereinheiten, wobei die Datenflußwege zwischen den Rechnereinheiten und deren funktionelle Zuordnung onlinveveränderbar sind.Injection molding machine according to claim 1 with a plurality of computer units, wherein the Data flow paths between the computer units and their functional assignment are changeable online. Spritzgießmaschine (C) nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Rechnereinheit (82) und die Eingabe-/Ausgabemittel (80) jeweils eine Gigalink-Schnittstelle (81, 83) aufweisen und über eine Gigalinkverbindung miteinander kommunizieren.Injection molding machine (C) according to claim 1 or 2, characterized in that the computer unit (82) and the input / output means (80) each have a Gigalink interface (81, 83) and communicate with one another via a Gigalink connection. Spritzgießmaschine (A, B) nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jede Rechnereinheit, jeder Sensor/Aktuator und die Eingabemittel eine Schnittstelle für ein serielles Bussystem (90) aufweisen und über das Bussystem miteinander kommunizieren.Injection molding machine (A, B) according to claim 1 or 2, characterized in that each computer unit, each sensor / actuator and the input means have an interface for a serial bus system (90) and communicate with one another via the bus system. Spritzgießmaschine (A) nach Anspruch 4, dadurch gekennzeichnet, daß mindestens eine Anzeigeneinheit (62, 66) von der oder den Rechnereinheiten (61, 65) betrieben wird.Injection molding machine (A) according to claim 4, characterized in that at least one display unit (62, 66) is operated by the computer unit or units (61, 65). Spritzgießmaschine (B) nach Anspruch 4, dadurch gekennzeichnet, daß mindestens eine Anzeigeeinheit (71, 72) eine Schnittstelle für ein serielles Bussystem (90) aufweist. Injection molding machine (B) according to claim 4, characterized in that at least one display unit (71, 72) has an interface for a serial bus system (90). Spritzgießmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Eingabemittel oder die Eingabeeinheiten (63, 64) als Tastaturvorrichtung mit Anzeigeelementen (67, 68) ausgebildet sind.Injection molding machine according to one of claims 1 to 4, characterized in that the input means or the input units (63, 64) are designed as a keyboard device with display elements (67, 68). Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Eingabemittel parametrisierbare Bedienungselemente aufweisen.Device according to one of claims 1 to 7, characterized in that the input means have operating elements which can be parameterized.
    EP03002268A 2002-02-07 2003-02-01 Injection moulding machine with online operable regulation system Expired - Lifetime EP1335256B1 (en)

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